00 — Overview

API Rate Limiting & Abuse

Rate limiters protect APIs from brute force — but most rely on headers you control. Learn how attackers bypass IP-based limits with header spoofing and multi-header fingerprint rotation.

Beginner·35 min·6 tasks
// By the end of this module
Understand how rate limiters identify clients and where that identification fails
Bypass IP-based rate limits by spoofing X-Forwarded-For and related headers
Rotate multi-header fingerprints to evade composite rate limit checks
Automate PIN and credential brute force against rate-limited API endpoints